LAS VEGAS – Chael Sonnen, Nate Marquardt, Paulo Thiago, and Matt Serra each earned $60,000 fight-night bonuses for their performances at Saturday's "UFC 109: Relentless" event.Sonnen and Marquardt both earned "Fight of the Night" honors, while Thiago earned the "Submission of the Night" bonus and Serra earned the "Knockout of the Night" award.